Tooth-holding device



June 24, 1930. A. S.-WELLS Y I TOOTH HOLDING DEVICE- Original FiledMarch '31. 1926 m EW H 7 lie INVEN TO)? I BYH/J AT TOENEYJ firms .5.wmsf Patentd June '24,- 1930 Amos wEL'LsfoF MINNEAPOLIS,1 MINnEsom I vTOOTH-HOLDIiIIG "DEVICE i i 4 I Application filed March.31, 1926.-sei-m1fi-1q9331 i izenewea m 2 "1929.

" This iiiyntion relates it i a; dental tbpl gnd particularly to a tqbl-fi' "hOIding' an ar't'ifi "ciial tooth fag'zi'ng while the tippqrtio'n' of the tooth isiformed or thereon. .Sa-id toth facings'ai'e iow sbld ascommercialarf dentistyto fit thet'eethigavitisof'tjhspatient.- Said "fadings ar pro vided'f with various means'bygwhich they can "be held, some hav It is" afurther 1 o'h'qct -pf fthinventio n to p'i'o'vide" dental implement haYingmeans for holding thetooth facing with a recess thei ein and Which-implement has a "surface 1adjacentthe; facing -hld'therein 6n which the apportion mayb built'upz vI I I 1bi anotherobjectofthjinvention m3v kins;

Vide' P ai dental I impllhentfhaving means folf adjacnt saidfac'iiigfsdhld therein}. 011: which thtipis ada pte'dfjto be hliiltupgwhich suffa shasmeans ths form jforsaid tip;

t'opth facing having a'riecs s'slthefein provided withtm eans adapted-toenter said recess and I v tote v ing.-

-40 pIfOVids an attachment' for' 'al dental impl'e f inbntsuchas theimplement disclosedj and' claimediiniapplical tsi cp-pndi l'g appli'c av tin,SQN;52,789tfi1d'A guStQT,1925;"Whi0h attachment isadapted to holda tooth facing witharheans i for 1 holding fa 1pfdrni i01 base; I .CItiSjStillfarther-311015560? V to: provide a "novel form so f ading.

I 1 Fig. 6. is' ar view*in rearxelevation of ltii'sls till andthr hbjctofl the ifii ehtidn td rofth i inv'er tion bass" ns-i s Thss and otherdhje ctsand .zidva'ntsigds -0'f th'e'ihve'nti0n Will be fully set forththe f0116win'gj description made connection With the' 4amccoriipanying;drawings,-:in: which like "reference characters refei' to similar partsthroughout the ss'wa'ral I views and s in h fi N .v V

mid tip thersof indicated inigdotted lines; f 1

Figj3 is ahorizontal, sectiontaken on'line OfaFig-Qasf'indicated by 'thearrow vice adapted: to forin an] attachrhnt forilnplementishowhin'Fi'gs: 1'and.2;- I

Fig. 5 is a verticalsec'tioh takenon '5'5f0f'- Fig.f4iasindicated bythetarro'w;

Fi"; 7; is ai'pfrspeptive of thshassilol" formzforaxtip; Figf8i'snmrea'r View: of the -'tooth-'facirig having the-tip builtthereqncarryi l'g'the bass 81 as seenfrom the right: thereof, and =Figf10= is wpersp'ective viewnf ayff tobthixcingiused; f a"; ,1 i --i=Rsfei'fingto'the'dmwings, one cOmmiOn use 7 aflthef :t'ooth? facing W .0n:the market is shown liifFigflQ This comprises; a mmbei' orm ofdndzith's-front Itouiidedportion 10 extending 210%? The- :TIlIIibGI :10has at zr'eces's 5iorrried threinzycofii'prising ast'ptprtion; 1Q;having p'argtllelzfsiderahd which.issuhstaiitially re liiie the de 7fromvsunfacie slOP toz'the edgs'ofythe surface 5 i tangu'lzir in dresssection andqwith' ither inner" 1 enlargedpbrtinllO fwhich initheeliibbdir ineiitroi the' inventionillustrated is sh'owmas fsubstahti'allycylindrical; aSuchtooth fabings I ztr/sauseiin'majking:the ali-tificial teeth and A}, havezzi tip indicated as 10 in Figs.1Y;"2,I7 a1nd' :8 built thereori} 011 -21 surface 10?; ii Thestoath 'I 1-facing shownlin Fig-Q 10-is adaptedto be held; v in theimplemeilt'shownin Figs. 1fland2;i The} igh ilement showrifistinaupaft"substantially the same as disclosed in applicants copendingapplication above referred to, which coinprisesa substantiallysemi-cylindrical body or retaining portion 11 having one flat surfacewith a projecting threaded lug 11 through which'extends the screwportion 12 of the opcratinig member or. handle,12., The portion 12* hasareducedportioni12 at its upper en dhav in'g arounded and substantiallypointed end. The body portion 11 has enlarged portions 11 at each endhaving a flat'termi'nalsurface 11 extending atan angle to thelongitudinal axes I of the members 11 and 12. Below the surfaces, llmember 11 is provided with a pair. of inwardly exte'nding'slots 11having their inner ends 'separatefd bya rib-11 "Another slotll extendsinto-the' flatsurface of memberllat onejend of Tthe'sameclosely'a'djiace'nt one surface 11?, a; considerable distance toward thelug ll fsaid :groove l extending through the central rib 11The-implement shown in Figs. and2fhas means at its top for. holdingthetooth facing v shown in FigLlO and While this means can be madeintegral with the implement 1 described, .in the embodiment of theinvention illustrated thejjmeans is shownas separate. This meanscomprises a memberf13, f The member13. compriisesrathinfpl-ate 1 3having :a

i Iportion- 13 projecting from. the fr'ontfside thereof, which portionforms means for ente'ring the recess'in the'tOothfacinglO. While thisportion might be} variously formed to engageinland be held in said'recess; in. the

embodiment of. the: invention illustrated it .is shown as aprojectiiig'.jrib rectangularu'in outline and cross section, and having.itstop surface substantially flush with thelower por;

tion of the top surface ofnmember' 13. The

plate portionll3 h as another ribl-SS project,- i

ing from its rear side, which ribc a' lso. isrectangulairf inits-outline? and cross jsection.

Above rib-13"" the-member '13 has-a rea-rward 1y and upwardly; inclinedplate portion 13 having a rear rounded edgeasashowni'in Fig: 6 having afiat top surface efrom" which surproject-s 'a means adapted to holda'bas'e or-formon the tooth:ti-p. While' this means could be variouslymade, in theembod-iment offlthe invention illustrated it is shown. asrib- 13 extendinglongitudinally substanti al 1y centrally of the top.surface-of the portion I3? having a; contracted lower portion and anenlarged uppenpfortion illustrated as 1 I V lly cylindrical, said ribtapering'in 1 height-from its Zrear"end toward 'the'forwardlend-of'mernber l3iortoward theplate-portion #Themember F13 isadaptedtobe received and held'on"theimplement shown in Figs. 1 x and 2 asindicated in said figures; Therear' surface ofportion Bffabuttsagainst-the fiat ,stllf ceofthe bodyll;the1rib 13?entersthe gslot'. I1andthebottom' flat}surface of thetop I portion13j l ies flat on thesurface 11 "65 Then-b? le is arranged to G es the plate or form used atthe bottom of the tip portion. Such a plate 'or base is shown 7 in Figs.7 to 9. The same comprises a thin metal plate 14 bent at'its center toform the tapered ,or frusto-conical sleeve 14? which sleeve has a narrowor reduced openingl l at. its bottom portion, The plate ll may also V.be provided with pro'je'ction'soniitsltop surface and while theseprojections may take various forms in' the embodiment of the inventionillustrated theyare'shown as a pair of ribs 14 extending longitudinallyof said top surface and parallel to the axis of sleeve 14?- Inoperatiom' when therdni facing such as shown in Fig. 10,.is to-be;used,'and a tip built thereon, member 13,.will be disposed. on the implement,comprising-the body llas, shown inFigs. land 2.; 'The facinglO will g gg V againstthe outer su'rfaceof plate 1 3 andwith i now be; disposedwith ,its-rearr flat side 10? the; recess therein; receiving, the rib 13 ..f-The sterner handle;12 will'ynow be screwed up} Said facing willthen be firmly, held against the. outer surface of p ortionl3of-the mem:ber .13, the bottom-edge of rib l3 contacting theibottom' 'Wallof therecess, in said facing.

The surface on top ofthe portionlii of the member l3is'now' disposed inthe proper position to havethe top 10 built upthereon.

Inpractice the base orjform 14 shown, inFig.

wardly until the point 12* engages the for ward rounded portion 10fofthe facing .10. 9o

'7; is used forthe tip. Ifathe said base'or formx is to be left on thetooth, the sameis made in.uthickness.2 If; the: base or form is to beremoved after the tip isgbuilti up, "the. ame

will be made: of a thicknessiof approximately 2/1000ths of an inch-inthickness. xllhebase is placed on top of the ortion-13 sliding the sameupwardly on said por'tion froin the I front, withthe; sleeve 14*embracing-the rib r 13?." The form is constructed and arranged to fitsnugly-and tightlyonythei; rib, 13 with 7 100 from fthe plate about12/1000ths of, aninch its-front 'ed-ge substantially *flush' with thefront edge of saidribg-The tipmay nowbe wardly parallel to the portion13 Theitip is now baked-T so to beihardened j jThere' is .built' up onthe form 'l l into theshape; indicated iuFi-gs: 1,- asande Wl 1BI1'gthG7 tip 1 is 'so built. up theistem 12 can 1bel=loweredsandthe'facinglOandtip together: with; the form j .ltcankbe removed. fronththe. implement-by -mer'ely' sliding thejsa-me forwardly'anddownhaving a recess therein and for holding a base or form of a tipwhich is applied tosaid facing. The facing is very securely held on theimplement and all parts are retainedsecurely therein until the time forremoving the facing and tip. When the'device is constructed asillustrated, the member 13 forms an attachment for the implement and theimplementcan stilljbe used to'h-old teeth he I ings having the pair ofprojecting pins as disclosed in applicants co-pending applica tionsupra. universal implement is thus provided.

The device is quite simple and can be easi-' ly and inexpensively madeand thesame is very easily and quickly manipulated and operated. Thedevice'has beenamply demonstrated in'actual practice and found to bevery successful and efficient.

It will, of course, be understood'that various changes may be made 'intheform, de-

tails, arrangement and proportions of the parts, without departing fromthescope of applicants invention, which, generally stated, consistsin adevice capable-ofcarrying out the objects above setforth, in the novelparts and combinations of parts disclosed and defined in the appendedclaims.

What is claimed is:

1. A tool for supporting a tooth facing With a recess therein, having'incombination, a pair of adjustable retaining members adapted to hold saidtooth'facing, one of said. members having a portion adapted to entersaid recess in the faoingand having a supporting surface extending atoneside of said facing on whichthe tip -may be built up. 1

2'. A dental implement for use in build ing up a tip onan artificialtooth, Which tooth has a recess therein having in combination, retainingmeans for holding said tooth, including a portion adapted to enter saidrecess and a supporting surface extending transversely at one sideofsaid tooth when held in said tool, on which surface a tip maybebuiltup. Y j

3. A dental implement for holding a tooth I having a recess therein, forbuilding a tip thereon, having in combination, means against which thetooth ab-utts, means entering said recess and engaging the end thereofand means for moving said tooth longitudinally into position'to clampsaid tooth, with said last mentioned means, against one end of saidrecess. u

4. A dental implement forholding a tooth having a recess therein, forbuilding a tip thereon, having in combination, means against which thetooth abutts, and holding means having a portion thereof engaging thewall of said recess to hold the tooth in posi tion, said device having asurface extending laterally from said tooth when held in said implementon Which surface the tip is .built.

ing movement of said base substantially parallel to. said surface. I

'5. A dental implement for holding a tooth facingon which the tip is tobe built up having incombination, retaining means-for said tooth, andmeans having a supporting -sur- I face extending transversely at oneside .of

'saidtooth,-'said surface having means thereon adapted to be'enga'gedbya form at the bottomofvsaidtipp fl 6. A dental implement for holding atooth facing on which a tip is to be built up having .i-n combination,retaining means for holding said tooth facing, means having asupportbination, retaining means for said tooth,

means'having a surface extending at one side of said tooth and at'anangle to said flat side, and slidably detachable holding means on saidsurface adapted to slidably engage a removable tip form or base.

9. A dental implement for holding a tooth facing on which the tip isto'be built up having in combination, retainingmeans for said one sideof said tooth, and'means 'forholding a tip base on said surfaceseparable by a slid ing surfaceextending at one side o'fsaid' toothfacing on which the tip is'built and a 7 locking member on said surfaceadapted to 30 tooth, means having a surface extending at 10. Adentalimplement for holding a tooth facing on which the tip is to bebuilt uphaving .in combination, retaining means for said tooth, means having asurface extending at one side of said tooth, said surface having atapered rib thereon adapted to be engaged by a form on" the base of saidtip.

11. A dental implement for holding an artificial tooth having a flatsurface anda recess extending from said surface, having in comblnation,a memberhaving a flat surface against which said surface of the toothabutts,

a rib projecting from the surface of said member adapted to enter saidrecess and en gaging theend thereof and means engaging the outer curvedside of said tooth'and movable .in the direction longitudinally of saidribto clamp the same against. said surface and rib with said ribengaging the end of said recess. 12. A tool for supporting an artificialtooth, said tooth having a flat surface With a recess extending thereinhaving in combination, a member having means adapted to en tersaidrecess in said tooth and having a supporting surface extending at anobtuse angle to said surface on Which supporting surface a tip may bebuilt up. o

18; Ajdental implement for use in building up a tip on an artificialtooth, which;

tooth has a fiat surface and a recess extendg ing-therein, comprising amember adapted to contact said surface of the tooth and having 1 meansadapted to enter saidrecess in said tooth, said member alsoihaving asurface ex;

' tending at an angle to said surface ofithe tooth adapted'to supportatip; said latter surface having means projecting therefrom, a aboutWhich the tip isbuiltv 1 L implement forsupporting a tooth V facing,which facing'has a recess therein comprising a member having a surfaceagainst which the rear of said tooth-facing engages, means constructedand arranged to enter said 7 recess in said facing, and a memberarrangedto engage the outer curved surface ofsaid v facing, and means for movingsaid member 7 longitudinally of saidrecess to move said facing to causesaid first mentioned means to engage the end of said recess and clampsaid 7 facing against said surface of saiclfirst .menj tioned member I ir I In testimony whereof I afiix my signature.

" I AMOS SJ-WELLS,

or t

